Finding the Fourth Proportional to 22,164.49, 30,587.25 and 13,210.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,164.49 : 30,587.25 = 13,210.48 : x
2. Step 2: Convert to fraction form
   22,164.49/30,587.25 = 13,210.48/x
3. Step 3: Cross multiply
   22,164.49x = 30,587.25 × 13,210.48
4. Step 4: Simplify right side
   22,164.49x = 404,072,254.38
5. Step 5: Solve for x
   x = 404,072,254.38/22,164.49
6. Step 6: Final answer
   x = 18,230.61